Overview: A federal judge has ruled that New York cannot ban federal agents from wearing face coverings or require them to display visible identification. U.S. District Judge Mae D'Agostino found the state's measures likely violate the supremacy clause of the U.S. Constitution, which bars states from regulating federal law enforcement. The decision follows aNEW YORK (AP) — New York can’t ban federal agents from wearing face coverings or require that they wear visible identification, a federal judge ruled Monday. The ruling comes after a federal judge earlier this year blocked a similar law in California that was enacted after the Trump administration aggressively worked to increase immigration arrests. In May, the U.S. Department of Justice filed a federal lawsuit against Connecticut over a new state law that prohibits federal agents from wearing masks.